A young boy is in bed and should be asleep, but he is awake. He must be nocturnal. He sneaks around the house on his way to get a tasty snack. He discovers he is not the only one awake and they enjoy a snack together and eventually fall asleep. Throughout the story we are introduced to a few nocturnal animals. The pictures are cartoonish and includes labels for the different animals. The end of the book includes some information about nocturnal animals.